CD4+ Count: Results
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Results
A CD4+ count is a blood test to determine how well the immune system is working in people who have been diagnosed with human immunodeficiency virus (HIV). CD4+ cell count results are generally available in 1 to 3 days, depending on the lab.
| Normal: | CD4+ cell counts in people who are not infected with HIV usually range from 600 to 1,200 cells per microliter (µL). |
|---|---|
A CD4+ cell count greater than 350 cells/µL usually indicates a low risk for opportunistic infections. | |
| Abnormal: | A CD4+ cell count of fewer than 350 cells/µL indicates a weak immune system and an increased risk for opportunistic infections. Antiretroviral treatment for HIV may be offered when the CD4+ count is between 200 and 350 cells/µL. |
A CD4+ cell count of fewer than 200 cells/µL indicates acquired immunodeficiency syndrome (AIDS) and a high risk for opportunistic infections. Antiretroviral treatment is recommended at this time. |
As the CD4+ count drops, it becomes more likely that acquired immunodeficiency syndrome (AIDS) will develop.
| Last updated: | March 01, 2007 |
|---|---|
| Author: | Maria G. Essig, MS, ELS |
| Reviewed By: | E. Gregory Thompson, MD - Internal Medicine, Peter Shalit, MD, PhD - Internal Medicine |
| Editors: | Susan Van Houten, RN, BSN, MBA, Tracy Landauer |
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